Re: [tlug] Power Supplies (in Japan and Traveling)

[jep200404@example.com]

It is still best to prepare as much as possible before traveling. 

Lyle H Saxon wrote:

> Maybe the polarity is universal ...

There is no such thing as "universal polarity". 

_Most_ manufacturers have ground (-) on the outside 
and + on the inside, then as you noted, others do the opposite. 
There are also AC power supplies, for which polarization is 無.